Cast Steel Pressure Seal Check Valve-Check Valve-Swing Check Valve
|FOB Price:||US $20-200 / Piece|
|Min. Order:||1 Piece|
|Min. Order||FOB Price|
|1 Piece||US $20-200/ Piece|
|Transport Package:||Standard Plywooden Cases|
|Payment Terms:||L/C, T/T, D/P, Western Union|
- Model NO.: XK26W
- Connection Form: Butt Clamp
- Application: Industrial Usage, Water Industrial Usage, Household Usage
- Specification: ANSI JIN GB
- HS Code: 84813000
- Material: Stainless Steel
- Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
- Trademark: U-ideal
- Origin: China
Cast Steel Pressure Seal Check Valve
Pressure seal bonnet is suggested for better closure in high pressure condition, while bolted bonnet is still available for customer's option.
The pressure seal design incorporates a metal-to-metal seal that becomes tighter as the pressure increases. The initial preload deforms the taper on the soft iron gasket to mate with the taper on the bonnet. The thin knife-edge on the gasket is wedged tightly between the body and the bonnet. The shallow angle insures that the gasket is sealed tightly with only a small upward force on the bonnet. Once the initial seal is created, the body/bonnet joint will remain leak free regardless of thermal or pressure conditions in the valve.After the joint has been assembled, there is no further need to adjust bonnet cap screws.
Features of Cast Steel Pressure Seal Check Valves:
Swing Disc Design
Pressure Seal Cover
Internal Hinge Pin Design Standard
Through-body Hinge Pin Design Available
Flanged or Butt-welding Ends
Extra Lever, Counter Weight and Damper Available
Applicable Standards of Cast Steel Pressure Seal Check Valves:
a) Design&Manufacture:API 6D, BS 1868, ASME B16.34
b) Face to Face: API 6D, ASME B16.10, EN 558
c) Connection End: ASME B16.5, ASME B16.25, EN 1092, JIS B2220
d) Test and Inspection: API 6D, EN 12266, API 598, BS 6755
Sizes: 2" - 36" or DN50 - DN900
Pressure Rating: Class150 - Class2500 or PN16 - PN420
Material of Valve Body: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.
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